[1] WHO, Dept HIV & Global Hepatitis Programme, Geneva, Switzerland
[2] Int AIDS Soc, HIV Programmes & Advocacy, Geneva, Switzerland
[3] Univ Calif San Francisco, Dept Pediat, Div Adolescent & Young Adult Med, San Francisco, CA USA
[4] Univ Oxford, Dept Social Policy & Intervent, Oxford, England
[5] Univ Cape Town, Dept Psychiat & Mental Hlth, Cape Town, South Africa
[6] TREAT Asia AmfAR, Bangkok, Thailand
[7] Africa Hlth Res Inst, Hlth Adolescents & Young Adults Res Unit, Mtubatuba, South Africa
[8] Int HIV AIDS Alliance, Cape Town, South Africa
[9] Posit Young Women Voices, Nairobi, Kenya
[10] Adolescent Treatment Coalit, Geneva, Switzerland
[11] WHO, Dept Maternal Newborn Child & Adolescent Hlth, Geneva, Switzerland
[12] Chulalongkorn Univ, Ctr Excellence Pediat Infect Dis & Vaccines, Bangkok, Thailand